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	<title>YUI Library Examples: YUI Loader Utility: Use YUILoader to list requirements for a set of components.</title>
    

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<style>
/*Supplemental CSS for the YUI distribution*/
#custom-doc { width: 95%; min-width: 950px; }
#pagetitle {background-image: url(../../assets/bg_hd.gif);}
#pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}

</style>

<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
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<script type="text/javascript" src="../../build/button/button-min.js"></script>


<!--begin custom header content for this example-->
<style>
#buttonContainer { }
#buttonContainer button {
    /* 
    display: block;
    outline: none;
    font-style: normal;
    */
    text-align: center;
    white-space: nowrap;
    font-size: 75%;
    width: 9em;
    overflow: hidden;
    text-overflow: ellipsis;
}

#filterContainer {
    border: 2px groove #ccc;
    margin: .3em;
    padding: .3em;
    width: 13em;
    display:-moz-inline-box;
    display: inline-block;
}

#filter button {
    font-size: 75%;
}

#optionsContainer {
    border: 2px groove #ccc;
    margin: .3em;
    padding: .3em;
    width: 34em;
    display:-moz-inline-box;
    display: inline-block;
}

#optionsContainer input {
    font-size: 75%;
}

#loadOptionalContainer button {
    font-size: 75%;
}

#allowRollupContainer button {
    font-size: 75%;
}

</style>

<!--end custom header content for this example-->


<script type="text/javascript">
//enable passthrough of errors from YUI Event:
if ((typeof YAHOO !== "undefined") && (YAHOO.util) && (YAHOO.util.Event)) {
	YAHOO.util.Event.throwErrors = true;
}
</script>
</head>
<body id="yahoo-com" class=" yui-skin-sam">
<div id="custom-doc" class="yui-t2">
<div id="hd">
	<div id="ygunav">
		<p><em><a href="http://developer.yahoo.com/yui/">YUI Library Home</a></em></p>
		<form action="http://search.yahoo.com/search" id="sitesearchform">
		<input name="vs" type="hidden" value="developer.yahoo.com">
		<input name="vs" type="hidden" value="yuiblog.com">
		<div id="sitesearch">
			<label for="searchinput">Site Search (YDN &amp; YUIBlog): </label>
			<input type="text" id="searchinput" name="p">
			<input type="submit" value="Search" id="searchsubmit" class="ygbt">
		</div>
		</form>	</div>
	<div id="ygma"><a href="../../"><img src="../../assets/yui.gif"  border="0" height="38"></a></div>
	<div id="pagetitle"><h1>YUI Library Examples: YUI Loader Utility: Use YUILoader to list requirements for a set of components.</h1></div>
</div>
<div id="bd">
	
	<div id="yui-main">
		<div class="yui-b">
		  <div class="yui-ge">
			  <div class="yui-u first example">

    
	<div class="promo">
	<h1>YUI Loader Utility: Use YUILoader to list requirements for a set of components.</h1>
	
	<div class="exampleIntro">
	<p>This tool uses YUILoader to display an optimized list of includes for a set of components.</p>
			
	</div>	
					
	<div class="example-container module ">
			<div id="example-canvas" class="bd">
	
		
	<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
	
	

<div>
<fieldset id="filterContainer">
    <legend>Filter</legend>
</fieldset>

<fieldset id="optionsContainer">
    <legend>Options</legend>
    <span id="loadOptionalContainer"></span>
    <span id="allowRollupContainer"></span>
    <span id="baseContainer">base: 
        <input id="baseInput" type="text" name="baseInput"></input>
    </span>

</fieldset>
</div>


<div id="buttonContainer"></div>


<textarea id="loaderOutput" name="loaderOutput" class="HTML" cols="60" rows="1"></textarea>

<script type="text/javascript">

(function() {

    var Y = YAHOO, D = Y.util.Dom, E = Y.util.Event, Button = Y.widget.Button, buttons = [],
        allModules, loadOptionalButton, filterGroup, allowRollupButton;

    function keys(o) {
        var a=[], i;
        for (i in o) {
            if (Y.lang.hasOwnProperty(o, i)) {
                a.push(i);
            }
        }

        return a;
    };

    function createButton(label) {
        var b = new Button({
            id: label,
            type: "checkbox",
            name: label,
            label: label,
            value: label,
            container: "buttonContainer" 
        });

        //b.addClass('yui-loader-button');

        b.on("click", showDependencies);

        buttons[label] = b;
    }

    function showDependencies() {

        var reqs = [], base, filter;

        var o = D.get('baseInput');

        base = o && o.value;
        if (base) {
            base = Y.lang.trim(base);
        }
        loadOptional = loadOptionalButton.get('checked');
        allowRollup = allowRollupButton.get('checked');
        filter = filterGroup.get('value');

        for (var i in buttons) {
            if (Y.lang.hasOwnProperty(buttons, i)) {
                if (buttons[i].get('checked')) {
                    reqs.push(i);
                }
            }
        }

        var loader = new Y.util.YUILoader({
            require: reqs,
            filter: filter,
            loadOptional: loadOptional,
            allowRollup: allowRollup,
            force: allModules
        });

        if (base) {
            loader.base = base;
        }

        loader.calculate();

        var s = loader.sorted, l = s.length, m, url, out = [];

        if (l) {

            for (i=0; i<l; i=i+1)  {
                m = loader.moduleInfo[s[i]];
                if (m.type == 'css') {
                    url = m.fullpath || loader._url(m.path);
                    out.push('<link rel="stylesheet" type="text/css" href="' + url + '">');
                }
            }

            if (out.length) {
                if (out.length < l) {
                    out.push('<!-- js -->')
                }
                out.unshift('<!-- css -->')
            } else {
                out.push('<!-- js -->')
            }

            for (i=0; i<l; i=i+1)  {
                m = loader.moduleInfo[s[i]];
                if (m.type == 'js') {
                    url = m.fullpath || loader._url(m.path);
                    out.push('<script type="text/javascript" src="' + url + '"></scr' + 'ipt>');
                }
            }
        }
        
        // This syntax highlighter just keeps making new elements if you need
        // to refresh the content.  Remove existing to unbreak this.
        var oldout = D.getElementsByClassName('dp-highlighter', 'div', 'example-canvas');
        if (oldout && oldout.length > 0) {
            var el = oldout[0];
            el.parentNode.removeChild(el);
        }

        // Show syntax highlighted output
        D.get('loaderOutput').value = out.join('\n');
        dp.SyntaxHighlighter.HighlightAll('loaderOutput'); 

    }

    function init() {

        filterGroup = new Y.widget.ButtonGroup({ 
               id:  "filter", 
               name:  "filter", 
               container:  "filterContainer" 
        });

        filterGroup.addButtons([
            { label: "-min", value: "", checked: true },
            { label: "-debug", value: "DEBUG" }, 
            { label: "raw", value: "RAW" }
        ]);

        filterGroup.on("valueChange", showDependencies);


        loadOptionalButton = new Button({
            id: "loadOptional",
            type: "checkbox",
            name: "loadOptional",
            label: "Load Optional",
            value: "true",
            container: "loadOptionalContainer" 
        });

        loadOptionalButton.on("click", showDependencies);

        allowRollupButton = new Button({
            id: "allRollup",
            type: "checkbox",
            name: "allowRollup",
            label: "Allow Rollup",
            value: "true",
            checked: true,
            container: "allowRollupContainer" 
        });

        allowRollupButton.on("click", showDependencies);

        var loader = new Y.util.YUILoader();

        allModules = keys(loader.moduleInfo);
        allModules.sort();

        for (var i=0; i<allModules.length; i=i+1) {
            createButton(allModules[i]);
        }

        showDependencies();
    }

    // E.onAvailable("buttonContainer", init);
    E.on(window, 'load', init);
})();

</script>
	
	<!--END SOURCE CODE FOR EXAMPLE =============================== -->
	
		
		</div>
		
	
	</div>			
	</div>
		
	<h2 class="first"></h2>

<h2>Configuration for This Example</h2>

<p>You can load the necessary JavaScript and CSS for this example from Yahoo's servers.  <a href="http://developer.yahoo.com/yui/articles/hosting/?button&yuiloader&MIN#configure">Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured</a>.</p>

				</div>
				<div class="yui-u">
						<div id="loggerModule" class="yui-skin-sam">
						<h3 class="firstContent">YUI Logger Output:</h3>
								<div id="loggerDiv"></div>
						</div>
					
				
					<div id="examples">
						<h3>YUI Loader Utility Examples:</h3>
	
						<div id="exampleToc">
							<ul>
								<li><a href='../yuiloader/yl-basic.html'>Using YUI Loader to Load the Calendar Control</a></li><li><a href='../yuiloader/yl-insert.html'>Using YUI Loader to Place Additional Components on a Page</a></li><li><a href='../yuiloader/yl-addmodule.html'>Using addModule to Add Custom (Non-YUI) Content with YUILoader</a></li><li class='selected'><a href='../yuiloader/yl-list.html'>Use YUILoader to list requirements for a set of components.</a></li><li><a href='../layout/adv_layout.html'>Complex Application (included with examples for Layout Manager)</a></li>							</ul>
						</div>
					</div>
					
					<div id="module">
						<h3>More YUI Loader Utility Resources:</h3>
						<ul>
							<li><a href="http://developer.yahoo.com/yui/yuiloader/">User's Guide</a> (external)</li>
						<li><a href="../../docs/module_yuiloader.html">API Documentation</a></li>
                            
                            
							<li><a href="http://yuiblog.com/assets/pdf/cheatsheets/yuiloader.pdf">Cheat Sheet PDF</a> (external)</li></ul>
					</div>
			  </div>
		</div>
		
		</div>
	</div>


<div class="yui-b" id="tocWrapper">
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<ul>
<li class="sect first">Yahoo! UI Library</li><li class="item"><a title="The Yahoo! User Interface Library (YUI)" href="http://developer.yahoo.com/yui/">Home (external)</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUIBlog (external)</a></li><li class="item"><a title="The Yahoo! 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Drop Utility - Functional Examples" href="../../examples/dragdrop/index.html">Drag &amp; Drop</a></li><li class="item"><a title="The YUI Event Utility - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="The YUI Get Utility - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="The YUI ImageCropper Control - Functional Examples" href="../../examples/imagecropper/index.html">ImageCropper</a></li><li class="item"><a title="The YUI ImageLoader Utility - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="The YUI JSON Utility - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="The YUI Layout Manager - Functional Examples" href="../../examples/layout/index.html">Layout Manager</a></li><li class="item"><a title="The YUI Logger Control - Functional Examples" href="../../examples/logger/index.html">Logger</a></li><li class="item"><a title="The YUI Menu Control - Functional Examples" href="../../examples/menu/index.html">Menu</a></li><li class="item"><a title="The YUI Paginator - Functional Examples" href="../../examples/paginator/index.html">Paginator</a></li><li class="item"><a title="The YUI Profiler Utility - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="The YUI ProfileViewer Control - Functional Examples" href="../../examples/profilerviewer/index.html">ProfilerViewer</a></li><li class="item"><a title="The YUI Resize Utility - Functional Examples" href="../../examples/resize/index.html">Resize</a></li><li class="item"><a title="The YUI Rich Text Editor - Functional Examples" href="../../examples/editor/index.html">Rich Text Editor</a></li><li class="item"><a title="The YUI Selector Utility - Functional Examples" href="../../examples/selector/index.html">Selector</a></li><li class="item"><a title="The YUI Slider Control - Functional Examples" href="../../examples/slider/index.html">Slider</a></li><li class="item"><a title="The YUI Stylesheet Utility - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="item"><a title="The YUI TabView Control - Functional Examples" href="../../examples/tabview/index.html">TabView</a></li><li class="item"><a title="The YUI TreeView Control - Functional Examples" href="../../examples/treeview/index.html">TreeView</a></li><li class="item"><a title="The YUI Uploader Utility - Functional Examples" href="../../examples/uploader/index.html">Uploader (experimental)</a></li><li class="item"><a title="The YUI YAHOO Global Object - Functional Examples" href="../../examples/yahoo/index.html">YAHOO Global Object</a></li><li class="selected "><a title="The YUI Loader Utility - Functional Examples" href="../../examples/yuiloader/index.html">YUI Loader</a></li><li class="item"><a title="The YUI Test Utility - Functional Examples" href="../../examples/yuitest/index.html">YUI Test</a></li><li class="item"><a title="YUI Reset CSS - Functional Examples" href="../../examples/reset/index.html">Reset CSS</a></li><li class="item"><a title="YUI Base CSS - Functional Examples" href="../../examples/base/index.html">Base CSS</a></li><li class="item"><a title="YUI Fonts CSS - Functional Examples" href="../../examples/fonts/index.html">Fonts CSS</a></li><li class="item"><a title="YUI Grids CSS - Functional Examples" href="../../examples/grids/index.html">Grids CSS</a></li><li class="sect">YUI Articles on the YUI Website</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Reporting Bugs and Making Feature Requests for YUI Components" href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests (external)</a></li><li class="item"><a title="Serve YUI source files from Yahoo! -- free, fast, and simple" href="http://developer.yahoo.com/yui/articles/hosting/">Serving YUI Files from Yahoo! (external)</a></li><li class="item"><a title="Best practices for working with web services while protecting user privacy" href="http://developer.yahoo.com/security/">Security Best Practices (external)</a></li></ul>
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